Todd D. Sink, Richard J. Strange, Hugo Eiler and Kellie Fecteau
Journal of Animal and Veterinary Advances 5 ( 3 ): 200 - 207 , 2006
Todd D. Sink, J. Strange Richard, G. Kattesh Henry and G. Mathew Alan
Journal of Animal and Veterinary Advances 5 ( 3 ): 208 - 214 , 2006